American tree sparrow (Spizella arborea)
CONFIRMATION STATUS: Confirmed.
Length: 5.25 inches
Dark, conical bill with yellow lower mandible
Rusty crown and eyeline
Gray supercilium and face
Gray breast with black spot
Rust patch at side of breast
White belly and undertail coverts
Tan back with dark streaks
Brown wings with wing bars
Slim, forked tail
Juvenile plumage (Summer) similar to immature but duller with streak- ed breast
American tree sparrows are similar to other sparrows with rusty crowns
but have a black spot on the breast. Chipping sparrow has a white super-
cilium and black eye line. Field sparrow has a pink bill and white eye ring.
Swamp sparrow has rusty wings and a dingy breast.
Migration Status: N/A
Breeding Habitat: N/A
Nest Location: N/A
Nest Type: N/A
Clutch Size: 3-5
Length of Incubation: 12-13 days
Days to Fledge: 8-10
Number of Broods: 1
Diet: Almost exclusively seeds; lesser quantities of insects
SKY MEADOWS DISTRIBUTION/SEASONAL OCCURRENCE
Relative abundance and seasonal occurrence are indicated in red below.
C - Common: Likely to be present in good numbers in appropriate habitat and season.
U - Uncommon: May be present in appropriate habitat and season, often in low
O - Occassional: Found in appropriate habitat perhaps only a few times per season,
sometimes low numbers.
R - Rare: May not be recorded every year.
Acc - Accidental: Recorded once or twice, may not be expected again for a long time.
Sp - Spring: March, April, May
Su - Summer: June, July, August
Fall: September, October, November
Winter: December, January, February U
Crooked Run Valley